busybox/libbb/read_package_field.c

28 lines
622 B
C

#include <stdlib.h>
#include <string.h>
#include "libbb.h"
/*
* Returns a [multi-line] package field
*/
extern char *read_package_field(const char *package_buffer)
{
int field_length = 0;
int buffer_length = 0;
if (package_buffer == NULL) {
return(NULL);
}
buffer_length = strlen(package_buffer);
field_length = strcspn(package_buffer, "\n");
while (field_length < buffer_length) {
if (package_buffer[field_length + 1] != ' ') {
return(xstrndup(package_buffer, field_length));
}
field_length++;
field_length += strcspn(&package_buffer[field_length], "\n");
}
return(xstrdup(package_buffer));
}