mirror of
https://git.proxmox.com/git/libgit2
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e97179b6de
This reduces the global namespace pollution and allows for a win32 compiler (eg. Open Watcom) to provide these routines in a header other than <dirent.h> (eg in <io.h>). Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
99 lines
1.6 KiB
C
99 lines
1.6 KiB
C
#define GIT__WIN32_NO_WRAP_DIR
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#include "dir.h"
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static int init_filter(char *filter, size_t n, const char *dir)
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{
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size_t len = strlen(dir);
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if (len+3 >= n)
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return 0;
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strcpy(filter, dir);
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if (len && dir[len-1] != '/')
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strcat(filter, "/");
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strcat(filter, "*");
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return 1;
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}
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git__DIR *git__opendir(const char *dir)
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{
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char filter[4096];
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git__DIR *new;
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if (!dir || !init_filter(filter, sizeof(filter), dir))
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return NULL;
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new = git__malloc(sizeof(*new));
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if (!new)
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return NULL;
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new->dir = git__malloc(strlen(dir)+1);
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if (!new->dir) {
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free(new);
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return NULL;
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}
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strcpy(new->dir, dir);
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new->h = FindFirstFile(filter, &new->f);
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if (new->h == INVALID_HANDLE_VALUE) {
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free(new->dir);
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free(new);
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return NULL;
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}
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new->first = 1;
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return new;
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}
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struct git__dirent *git__readdir(git__DIR *d)
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{
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if (!d || d->h == INVALID_HANDLE_VALUE)
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return NULL;
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if (d->first)
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d->first = 0;
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else {
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if (!FindNextFile(d->h, &d->f))
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return NULL;
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}
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if (strlen(d->f.cFileName) >= sizeof(d->entry.d_name))
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return NULL;
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d->entry.d_ino = 0;
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strcpy(d->entry.d_name, d->f.cFileName);
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return &d->entry;
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}
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void git__rewinddir(git__DIR *d)
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{
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char filter[4096];
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if (d) {
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if (d->h != INVALID_HANDLE_VALUE)
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FindClose(d->h);
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d->h = INVALID_HANDLE_VALUE;
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d->first = 0;
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if (init_filter(filter, sizeof(filter), d->dir)) {
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d->h = FindFirstFile(filter, &d->f);
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if (d->h != INVALID_HANDLE_VALUE)
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d->first = 1;
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}
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}
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}
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int git__closedir(git__DIR *d)
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{
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if (d) {
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if (d->h != INVALID_HANDLE_VALUE)
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FindClose(d->h);
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if (d->dir)
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free(d->dir);
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free(d);
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}
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return 0;
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}
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