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Patch from Valdimir to reduce stack usage, since recursive_action

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is (as the name implies) is recursive, reducing stack memory usage
is important to avoid exhausting available stack memory.
This commit is contained in:
Eric Andersen 2001-04-10 17:53:49 +00:00
parent 4e853560f5
commit fd402941a7
1 changed files with 5 additions and 10 deletions
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15
libbb/recursive_action.c
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@ -29,8 +29,10 @@
#include <string.h>
#include <dirent.h>
#include <sys/stat.h>
#include <stdlib.h> /* free() */
#include "libbb.h"
/* same conditions as recursive_action */
#define bb_need_name_too_long
#define BB_DECLARE_EXTERN
@ -112,25 +114,18 @@ int recursive_action(const char *fileName,
}
status = TRUE;
while ((next = readdir(dir)) != NULL) {
char nextFile[PATH_MAX];
char *nextFile;
if ((strcmp(next->d_name, "..") == 0)
|| (strcmp(next->d_name, ".") == 0)) {
continue;
}
if (strlen(fileName) + strlen(next->d_name) + 1 > PATH_MAX) {
error_msg(name_too_long);
return FALSE;
}
memset(nextFile, 0, sizeof(nextFile));
if (fileName[strlen(fileName)-1] == '/')
sprintf(nextFile, "%s%s", fileName, next->d_name);
else
sprintf(nextFile, "%s/%s", fileName, next->d_name);
nextFile = concat_path_file(fileName, next->d_name);
if (recursive_action(nextFile, TRUE, followLinks, depthFirst,
fileAction, dirAction, userData) == FALSE) {
status = FALSE;
}
free(nextFile);
}
closedir(dir);
if (dirAction != NULL && depthFirst == TRUE) {