stagit-gopher

static git page generator for gopher
git clone git://git.2f30.org/stagit-gopher.git
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commit fc60d78d8917fb930227ecc53936c9216e6298c2
parent c13c4119501291e5c276d4d1217491b16a2a7ff9
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Sun May  1 14:38:57 +0200

fix path join '/'

add joinpath() function to handle this.

Diffstat:
stagit-index.c | 42+++++++++++++++++++-----------------------
stagit.c | 39++++++++++++++++++---------------------
2 files changed, 37 insertions(+), 44 deletions(-)
diff --git a/stagit-index.c b/stagit-index.c @@ -140,13 +140,25 @@ err: return ret; } +void +joinpath(char *buf, size_t bufsiz, const char *path, const char *path2) +{ + int r; + + r = snprintf(buf, bufsiz, "%s%s%s", + repodir, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2); + if (r == -1 || (size_t)r >= bufsiz) + errx(1, "path truncated: '%s%s%s'", + path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2); +} + int main(int argc, char *argv[]) { const git_error *e = NULL; FILE *fp; char path[PATH_MAX], repodirabs[PATH_MAX + 1]; - int i, r, ret = 0; + int i, ret = 0; if (argc < 2) { fprintf(stderr, "%s [repodir...]\n", argv[0]); @@ -176,20 +188,12 @@ main(int argc, char *argv[]) name = ""; /* read description or .git/description */ - description[0] = '\0'; - r = snprintf(path, sizeof(path), "%s%s%s", - repodir, repodir[strlen(repodir)] == '/' ? "" : "/", "description"); - if (r == -1 || (size_t)r >= sizeof(path)) - errx(1, "path truncated: '%s%s%s'", - repodir, repodir[strlen(repodir)] == '/' ? "" : "/", "description"); + joinpath(path, sizeof(path), repodir, "description"); if (!(fp = fopen(path, "r"))) { - r = snprintf(path, sizeof(path), "%s%s%s", - repodir, repodir[strlen(repodir)] == '/' ? "" : "/", ".git/description"); - if (r == -1 || (size_t)r >= sizeof(path)) - errx(1, "path truncated: '%s%s%s'", - repodir, repodir[strlen(repodir)] == '/' ? "" : "/", ".git/description"); + joinpath(path, sizeof(path), repodir, ".git/description"); fp = fopen(path, "r"); } + description[0] = '\0'; if (fp) { if (!fgets(description, sizeof(description), fp)) description[0] = '\0'; @@ -197,20 +201,12 @@ main(int argc, char *argv[]) } /* read owner or .git/owner */ - owner[0] = '\0'; - r = snprintf(path, sizeof(path), "%s%s%s", - repodir, repodir[strlen(repodir)] == '/' ? "" : "/", "owner"); - if (r == -1 || (size_t)r >= sizeof(path)) - errx(1, "path truncated: '%s%s%s'", - repodir, repodir[strlen(repodir)] == '/' ? "" : "/", "owner"); + joinpath(path, sizeof(path), repodir, "owner"); if (!(fp = fopen(path, "r"))) { - r = snprintf(path, sizeof(path), "%s%s%s", - repodir, repodir[strlen(repodir)] == '/' ? "" : "/", ".git/owner"); - if (r == -1 || (size_t)r >= sizeof(path)) - errx(1, "path truncated: '%s%s%s'", - repodir, repodir[strlen(repodir)] == '/' ? "" : "/", ".git/owner"); + joinpath(path, sizeof(path), repodir, ".git/owner"); fp = fopen(path, "r"); } + owner[0] = '\0'; if (fp) { if (!fgets(owner, sizeof(owner), fp)) owner[0] = '\0'; diff --git a/stagit.c b/stagit.c @@ -970,6 +970,18 @@ err: return 0; } +void +joinpath(char *buf, size_t bufsiz, const char *path, const char *path2) +{ + int r; + + r = snprintf(buf, bufsiz, "%s%s%s", + repodir, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2); + if (r == -1 || (size_t)r >= bufsiz) + errx(1, "path truncated: '%s%s%s'", + path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2); +} + int main(int argc, char *argv[]) { @@ -978,13 +990,14 @@ main(int argc, char *argv[]) const git_error *e = NULL; FILE *fp, *fpread; char path[PATH_MAX], repodirabs[PATH_MAX + 1], *p; - int r, status; + int status; if (argc != 2) { fprintf(stderr, "%s <repodir>\n", argv[0]); return 1; } repodir = argv[1]; + if (!realpath(repodir, repodirabs)) err(1, "realpath"); @@ -1017,17 +1030,9 @@ main(int argc, char *argv[]) *p = '\0'; /* read description or .git/description */ - r = snprintf(path, sizeof(path), "%s%s%s", - repodir, repodir[strlen(repodir)] == '/' ? "" : "/", "description"); - if (r == -1 || (size_t)r >= sizeof(path)) - errx(1, "path truncated: '%s%s%s'", - repodir, repodir[strlen(repodir)] == '/' ? "" : "/", "description"); + joinpath(path, sizeof(path), repodir, "description"); if (!(fpread = fopen(path, "r"))) { - r = snprintf(path, sizeof(path), "%s%s%s", - repodir, repodir[strlen(repodir)] == '/' ? "" : "/", ".git/description"); - if (r == -1 || (size_t)r >= sizeof(path)) - errx(1, "path truncated: '%s%s%s'", - repodir, repodir[strlen(repodir)] == '/' ? "" : "/", ".git/description"); + joinpath(path, sizeof(path), repodir, ".git/description"); fpread = fopen(path, "r"); } if (fpread) { @@ -1037,17 +1042,9 @@ main(int argc, char *argv[]) } /* read url or .git/url */ - r = snprintf(path, sizeof(path), "%s%s%s", - repodir, repodir[strlen(repodir)] == '/' ? "" : "/", "url"); - if (r == -1 || (size_t)r >= sizeof(path)) - errx(1, "path truncated: '%s%s%s'", - repodir, repodir[strlen(repodir)] == '/' ? "" : "/", "url"); + joinpath(path, sizeof(path), repodir, "url"); if (!(fpread = fopen(path, "r"))) { - r = snprintf(path, sizeof(path), "%s%s%s", - repodir, repodir[strlen(repodir)] == '/' ? "" : "/", ".git/url"); - if (r == -1 || (size_t)r >= sizeof(path)) - errx(1, "path truncated: '%s%s%s'", - repodir, repodir[strlen(repodir)] == '/' ? "" : "/", ".git/url"); + joinpath(path, sizeof(path), repodir, ".git/url"); fpread = fopen(path, "r"); } if (fpread) {