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Patch from Gennady Feldman <gfeldman@tradeline.net> to:

Browse Source 
1. Opens redirections w/ the right access.
    2. Doesn't do globbing for every single parameter (so it
	doesn't stat every parameter).
This commit is contained in:
Eric Andersen
2000-11-14 21:59:22 +00:00
parent 2aa1091130
commit 46f0beb167
3 changed files with 102 additions and 69 deletions
Download Patch File Download Diff File Expand all files Collapse all files

57
lash.c
View File

@@ -627,10 +627,10 @@ static int setupRedirections(struct childProgram *prog)
mode = O_RDONLY;
break;
case REDIRECT_OVERWRITE:
mode = O_RDWR | O_CREAT | O_TRUNC;
mode = O_WRONLY | O_CREAT | O_TRUNC;
break;
case REDIRECT_APPEND:
mode = O_RDWR | O_CREAT | O_APPEND;
mode = O_WRONLY | O_CREAT | O_APPEND;
break;
}
@@ -785,30 +785,42 @@ static void globLastArgument(struct childProgram *prog, int *argcPtr,
#endif
}
rc = glob(prog->argv[argc_l - 1], flags, NULL, &prog->globResult);
if (rc == GLOB_NOSPACE) {
errorMsg("out of space during glob operation\n");
return;
} else if (rc == GLOB_NOMATCH ||
if (strpbrk(prog->argv[argc_l - 1],"*[]?")!= NULL){
rc = glob(prog->argv[argc_l - 1], flags, NULL, &prog->globResult);
if (rc == GLOB_NOSPACE) {
errorMsg("out of space during glob operation\n");
return;
} else if (rc == GLOB_NOMATCH ||
(!rc && (prog->globResult.gl_pathc - i) == 1 &&
strcmp(prog->argv[argc_l - 1],
prog->globResult.gl_pathv[i]) == 0)) {
/* we need to remove whatever \ quoting is still present */
src = dst = prog->argv[argc_l - 1];
while (*src) {
if (*src != '\\')
*dst++ = *src;
src++;
/* we need to remove whatever \ quoting is still present */
src = dst = prog->argv[argc_l - 1];
while (*src) {
if (*src != '\\')
*dst++ = *src;
src++;
}
*dst = '\0';
} else if (!rc) {
argcAlloced += (prog->globResult.gl_pathc - i);
prog->argv = xrealloc(prog->argv, argcAlloced * sizeof(*prog->argv));
memcpy(prog->argv + (argc_l - 1), prog->globResult.gl_pathv + i,
sizeof(*(prog->argv)) * (prog->globResult.gl_pathc - i));
argc_l += (prog->globResult.gl_pathc - i - 1);
}
*dst = '\0';
} else if (!rc) {
argcAlloced += (prog->globResult.gl_pathc - i);
prog->argv = xrealloc(prog->argv, argcAlloced * sizeof(*prog->argv));
memcpy(prog->argv + (argc_l - 1), prog->globResult.gl_pathv + i,
sizeof(*(prog->argv)) * (prog->globResult.gl_pathc - i));
argc_l += (prog->globResult.gl_pathc - i - 1);
}else{
src = dst = prog->argv[argc_l - 1];
while (*src) {
if (*src != '\\')
*dst++ = *src;
src++;
}
*dst = '\0';
prog->globResult.gl_pathc=0;
if (flags==0)
prog->globResult.gl_pathv=NULL;
}
*argcAllocedPtr = argcAlloced;
*argcPtr = argc_l;
}
@@ -1128,7 +1140,7 @@ static int parseCommand(char **commandPtr, struct job *job, struct jobSet *jobLi
}
*commandPtr = returnCommand;
return 0;
}
@@ -1143,7 +1155,6 @@ static int runCommand(struct job *newJob, struct jobSet *jobList, int inBg, int
const struct BB_applet *a = applets;
#endif
nextin = 0, nextout = 1;
for (i = 0; i < newJob->numProgs; i++) {
if ((i + 1) < newJob->numProgs) {

57
sh.c
View File

@@ -627,10 +627,10 @@ static int setupRedirections(struct childProgram *prog)
mode = O_RDONLY;
break;
case REDIRECT_OVERWRITE:
mode = O_RDWR | O_CREAT | O_TRUNC;
mode = O_WRONLY | O_CREAT | O_TRUNC;
break;
case REDIRECT_APPEND:
mode = O_RDWR | O_CREAT | O_APPEND;
mode = O_WRONLY | O_CREAT | O_APPEND;
break;
}
@@ -785,30 +785,42 @@ static void globLastArgument(struct childProgram *prog, int *argcPtr,
#endif
}
rc = glob(prog->argv[argc_l - 1], flags, NULL, &prog->globResult);
if (rc == GLOB_NOSPACE) {
errorMsg("out of space during glob operation\n");
return;
} else if (rc == GLOB_NOMATCH ||
if (strpbrk(prog->argv[argc_l - 1],"*[]?")!= NULL){
rc = glob(prog->argv[argc_l - 1], flags, NULL, &prog->globResult);
if (rc == GLOB_NOSPACE) {
errorMsg("out of space during glob operation\n");
return;
} else if (rc == GLOB_NOMATCH ||
(!rc && (prog->globResult.gl_pathc - i) == 1 &&
strcmp(prog->argv[argc_l - 1],
prog->globResult.gl_pathv[i]) == 0)) {
/* we need to remove whatever \ quoting is still present */
src = dst = prog->argv[argc_l - 1];
while (*src) {
if (*src != '\\')
*dst++ = *src;
src++;
/* we need to remove whatever \ quoting is still present */
src = dst = prog->argv[argc_l - 1];
while (*src) {
if (*src != '\\')
*dst++ = *src;
src++;
}
*dst = '\0';
} else if (!rc) {
argcAlloced += (prog->globResult.gl_pathc - i);
prog->argv = xrealloc(prog->argv, argcAlloced * sizeof(*prog->argv));
memcpy(prog->argv + (argc_l - 1), prog->globResult.gl_pathv + i,
sizeof(*(prog->argv)) * (prog->globResult.gl_pathc - i));
argc_l += (prog->globResult.gl_pathc - i - 1);
}
*dst = '\0';
} else if (!rc) {
argcAlloced += (prog->globResult.gl_pathc - i);
prog->argv = xrealloc(prog->argv, argcAlloced * sizeof(*prog->argv));
memcpy(prog->argv + (argc_l - 1), prog->globResult.gl_pathv + i,
sizeof(*(prog->argv)) * (prog->globResult.gl_pathc - i));
argc_l += (prog->globResult.gl_pathc - i - 1);
}else{
src = dst = prog->argv[argc_l - 1];
while (*src) {
if (*src != '\\')
*dst++ = *src;
src++;
}
*dst = '\0';
prog->globResult.gl_pathc=0;
if (flags==0)
prog->globResult.gl_pathv=NULL;
}
*argcAllocedPtr = argcAlloced;
*argcPtr = argc_l;
}
@@ -1128,7 +1140,7 @@ static int parseCommand(char **commandPtr, struct job *job, struct jobSet *jobLi
}
*commandPtr = returnCommand;
return 0;
}
@@ -1143,7 +1155,6 @@ static int runCommand(struct job *newJob, struct jobSet *jobList, int inBg, int
const struct BB_applet *a = applets;
#endif
nextin = 0, nextout = 1;
for (i = 0; i < newJob->numProgs; i++) {
if ((i + 1) < newJob->numProgs) {

57
shell/lash.c
View File

@@ -627,10 +627,10 @@ static int setupRedirections(struct childProgram *prog)
mode = O_RDONLY;
break;
case REDIRECT_OVERWRITE:
mode = O_RDWR | O_CREAT | O_TRUNC;
mode = O_WRONLY | O_CREAT | O_TRUNC;
break;
case REDIRECT_APPEND:
mode = O_RDWR | O_CREAT | O_APPEND;
mode = O_WRONLY | O_CREAT | O_APPEND;
break;
}
@@ -785,30 +785,42 @@ static void globLastArgument(struct childProgram *prog, int *argcPtr,
#endif
}
rc = glob(prog->argv[argc_l - 1], flags, NULL, &prog->globResult);
if (rc == GLOB_NOSPACE) {
errorMsg("out of space during glob operation\n");
return;
} else if (rc == GLOB_NOMATCH ||
if (strpbrk(prog->argv[argc_l - 1],"*[]?")!= NULL){
rc = glob(prog->argv[argc_l - 1], flags, NULL, &prog->globResult);
if (rc == GLOB_NOSPACE) {
errorMsg("out of space during glob operation\n");
return;
} else if (rc == GLOB_NOMATCH ||
(!rc && (prog->globResult.gl_pathc - i) == 1 &&
strcmp(prog->argv[argc_l - 1],
prog->globResult.gl_pathv[i]) == 0)) {
/* we need to remove whatever \ quoting is still present */
src = dst = prog->argv[argc_l - 1];
while (*src) {
if (*src != '\\')
*dst++ = *src;
src++;
/* we need to remove whatever \ quoting is still present */
src = dst = prog->argv[argc_l - 1];
while (*src) {
if (*src != '\\')
*dst++ = *src;
src++;
}
*dst = '\0';
} else if (!rc) {
argcAlloced += (prog->globResult.gl_pathc - i);
prog->argv = xrealloc(prog->argv, argcAlloced * sizeof(*prog->argv));
memcpy(prog->argv + (argc_l - 1), prog->globResult.gl_pathv + i,
sizeof(*(prog->argv)) * (prog->globResult.gl_pathc - i));
argc_l += (prog->globResult.gl_pathc - i - 1);
}
*dst = '\0';
} else if (!rc) {
argcAlloced += (prog->globResult.gl_pathc - i);
prog->argv = xrealloc(prog->argv, argcAlloced * sizeof(*prog->argv));
memcpy(prog->argv + (argc_l - 1), prog->globResult.gl_pathv + i,
sizeof(*(prog->argv)) * (prog->globResult.gl_pathc - i));
argc_l += (prog->globResult.gl_pathc - i - 1);
}else{
src = dst = prog->argv[argc_l - 1];
while (*src) {
if (*src != '\\')
*dst++ = *src;
src++;
}
*dst = '\0';
prog->globResult.gl_pathc=0;
if (flags==0)
prog->globResult.gl_pathv=NULL;
}
*argcAllocedPtr = argcAlloced;
*argcPtr = argc_l;
}
@@ -1128,7 +1140,7 @@ static int parseCommand(char **commandPtr, struct job *job, struct jobSet *jobLi
}
*commandPtr = returnCommand;
return 0;
}
@@ -1143,7 +1155,6 @@ static int runCommand(struct job *newJob, struct jobSet *jobList, int inBg, int
const struct BB_applet *a = applets;
#endif
nextin = 0, nextout = 1;
for (i = 0; i < newJob->numProgs; i++) {
if ((i + 1) < newJob->numProgs) {