diff options
Diffstat (limited to 'core/org.eclipse.cdt.core.linux')
-rw-r--r-- | core/org.eclipse.cdt.core.linux/library/pfind.c | 147 |
1 files changed, 78 insertions, 69 deletions
diff --git a/core/org.eclipse.cdt.core.linux/library/pfind.c b/core/org.eclipse.cdt.core.linux/library/pfind.c index 65de2a5cb16..d13dae5f0e2 100644 --- a/core/org.eclipse.cdt.core.linux/library/pfind.c +++ b/core/org.eclipse.cdt.core.linux/library/pfind.c @@ -1,69 +1,78 @@ -/*
- * pfind.c - Search for a binary in $PATH.
- */
-
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <limits.h>
-
-#ifndef PATH_MAX
-#define PATH_MAX 1024
-#endif
-
-
-char *pfind(const char *name)
-{
- char *tok;
- char *sp;
- char *path = getenv("PATH" );
- char FullPath[PATH_MAX+1];
-
- if (name == NULL) {
- fprintf(stderr, "pfind(): Null argument.\n");
- return NULL;
- }
-
- if (path == NULL || strlen( path ) <= 0) {
- fprintf(stderr, "Unable to get $PATH.\n");
- return NULL;
- }
-
- // The value return by getenv() is readonly */
- path = strdup(path);
-
- tok = strtok_r(path, ":", &sp);
- while (tok != NULL) {
- //strcpy(FullPath, tok);
- //strcat(FullPath, "/");
- //strcat(FullPath, name);
- snprintf(FullPath, sizeof(FullPath) - 1, "%s/%s", tok, name);
-
- if (access(FullPath, X_OK | R_OK) == 0) {
- free(path);
- return strdup(FullPath);
- }
-
- tok = strtok_r( NULL, ":", &sp );
- }
-
- free(path);
- return NULL;
-}
-
-#ifdef BUILD_WITH_MAIN
-int main(int argc, char **argv)
-{
- int i;
- char *fullpath;
-
- for (i=1; i<argc; i++) {
- fullpath = pfind(argv[i]);
- if (fullpath == NULL)
- printf("Unable to find %s in $PATH.\n", argv[i]);
- else
- printf("Found %s @ %s.\n", argv[i], fullpath);
- }
-}
-#endif
+/* + * pfind.c - Search for a binary in $PATH. + */ + +#include <stdio.h> +#include <unistd.h> +#include <stdlib.h> +#include <string.h> +#include <limits.h> + +#ifndef PATH_MAX +#define PATH_MAX 1024 +#endif + + +char * pfind(const char *name) +{ + char *tok; + char *sp; + char *path; + char fullpath[PATH_MAX+1]; + + /* Sanity check. */ + if (name == NULL) { + fprintf(stderr, "pfind(): Null argument.\n"); + return NULL; + } + + /* For absolute name or name with a path, check if it is an executable. */ + if (name[0] == '/' || name[0] == '.') { + if (access(name, X_OK | R_OK) == 0) { + return strdup(name); + } + return NULL; + } + + /* Search in the PATH environment. */ + path = getenv("PATH" ); + + if (path == NULL || strlen(path) <= 0) { + fprintf(stderr, "Unable to get $PATH.\n"); + return NULL; + } + + /* The value return by getenv() is readonly */ + path = strdup(path); + + tok = strtok_r(path, ":", &sp); + while (tok != NULL) { + snprintf(fullpath, sizeof(fullpath) - 1, "%s/%s", tok, name); + + if (access(fullpath, X_OK | R_OK) == 0) { + free(path); + return strdup(fullpath); + } + + tok = strtok_r( NULL, ":", &sp ); + } + + free(path); + return NULL; +} + +#ifdef BUILD_WITH_MAIN +int main(int argc, char **argv) +{ + int i; + char *fullpath; + + for (i=1; i<argc; i++) { + fullpath = pfind(argv[i]); + if (fullpath == NULL) + printf("Unable to find %s in $PATH.\n", argv[i]); + else + printf("Found %s @ %s.\n", argv[i], fullpath); + } +} +#endif |