diff options
Diffstat (limited to 'diff.c')
| -rw-r--r-- | diff.c | 36 |
1 files changed, 20 insertions, 16 deletions
@@ -13,7 +13,6 @@ #include "run-command.h" #include "utf8.h" #include "userdiff.h" -#include "sigchain.h" #include "submodule-config.h" #include "submodule.h" #include "ll-merge.h" @@ -322,7 +321,7 @@ static struct diff_tempfile { */ const char *name; - char hex[41]; + char hex[GIT_SHA1_HEXSZ + 1]; char mode[10]; /* @@ -2882,9 +2881,8 @@ static void prep_temp_blob(const char *path, struct diff_tempfile *temp, die_errno("unable to write temp-file"); close_tempfile(&temp->tempfile); temp->name = get_tempfile_path(&temp->tempfile); - strcpy(temp->hex, sha1_to_hex(sha1)); - temp->hex[40] = 0; - sprintf(temp->mode, "%06o", mode); + sha1_to_hex_r(temp->hex, sha1); + xsnprintf(temp->mode, sizeof(temp->mode), "%06o", mode); strbuf_release(&buf); strbuf_release(&template); free(path_dup); @@ -2901,8 +2899,8 @@ static struct diff_tempfile *prepare_temp_file(const char *name, * a '+' entry produces this for file-1. */ temp->name = "/dev/null"; - strcpy(temp->hex, "."); - strcpy(temp->mode, "."); + xsnprintf(temp->hex, sizeof(temp->hex), "."); + xsnprintf(temp->mode, sizeof(temp->mode), "."); return temp; } @@ -2930,16 +2928,16 @@ static struct diff_tempfile *prepare_temp_file(const char *name, /* we can borrow from the file in the work tree */ temp->name = name; if (!one->sha1_valid) - strcpy(temp->hex, sha1_to_hex(null_sha1)); + sha1_to_hex_r(temp->hex, null_sha1); else - strcpy(temp->hex, sha1_to_hex(one->sha1)); + sha1_to_hex_r(temp->hex, one->sha1); /* Even though we may sometimes borrow the * contents from the work tree, we always want * one->mode. mode is trustworthy even when * !(one->sha1_valid), as long as * DIFF_FILE_VALID(one). */ - sprintf(temp->mode, "%06o", one->mode); + xsnprintf(temp->mode, sizeof(temp->mode), "%06o", one->mode); } return temp; } @@ -3695,12 +3693,16 @@ static int parse_ws_error_highlight(struct diff_options *opt, const char *arg) return 1; } -int diff_opt_parse(struct diff_options *options, const char **av, int ac) +int diff_opt_parse(struct diff_options *options, + const char **av, int ac, const char *prefix) { const char *arg = av[0]; const char *optarg; int argcount; + if (!prefix) + prefix = ""; + /* Output format options */ if (!strcmp(arg, "-p") || !strcmp(arg, "-u") || !strcmp(arg, "--patch") || opt_arg(arg, 'U', "unified", &options->context)) @@ -3917,7 +3919,8 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac) else if (!strcmp(arg, "--pickaxe-regex")) options->pickaxe_opts |= DIFF_PICKAXE_REGEX; else if ((argcount = short_opt('O', av, &optarg))) { - options->orderfile = optarg; + const char *path = prefix_filename(prefix, strlen(prefix), optarg); + options->orderfile = xstrdup(path); return argcount; } else if ((argcount = parse_long_opt("diff-filter", av, &optarg))) { @@ -3956,9 +3959,10 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac) else if (!strcmp(arg, "--no-function-context")) DIFF_OPT_CLR(options, FUNCCONTEXT); else if ((argcount = parse_long_opt("output", av, &optarg))) { - options->file = fopen(optarg, "w"); + const char *path = prefix_filename(prefix, strlen(prefix), optarg); + options->file = fopen(path, "w"); if (!options->file) - die_errno("Could not open '%s'", optarg); + die_errno("Could not open '%s'", path); options->close_file = 1; return argcount; } else @@ -4085,9 +4089,9 @@ const char *diff_unique_abbrev(const unsigned char *sha1, int len) if (abblen < 37) { static char hex[41]; if (len < abblen && abblen <= len + 2) - sprintf(hex, "%s%.*s", abbrev, len+3-abblen, ".."); + xsnprintf(hex, sizeof(hex), "%s%.*s", abbrev, len+3-abblen, ".."); else - sprintf(hex, "%s...", abbrev); + xsnprintf(hex, sizeof(hex), "%s...", abbrev); return hex; } return sha1_to_hex(sha1); |