fix warning with libgit2 v0.99+, remain compatible with older versions - stagit - static git page generator
 (HTM) git clone git://git.codemadness.org/stagit
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       ---
 (DIR) commit e1c0aebde443979a524a944027b81f84f4323ff3
 (DIR) parent 66df204c440de3b0cf3442d3a0c719016cdcf9c6
 (HTM) Author: Hiltjo Posthuma <hiltjo@codemadness.org>
       Date:   Sat, 28 Nov 2020 12:28:05 +0100
       
       fix warning with libgit2 v0.99+, remain compatible with older versions
       
       git_blob_rawsize now returns with git_object_size_t (unsigned). This was
       git_off_t (signed).
       
       In my current version 1.1.0:
               types.h:typedef uint64_t git_object_size_t;
       
       v0.28.5:
       https://libgit2.org/libgit2/#v0.28.5/group/blob/git_blob_rawsize
       
       changed from v0.99 onwards:
       https://libgit2.org/libgit2/#v0.99.0/group/blob/git_blob_rawsize
       
       Fix: use size_t to remain compatible (with a possible warning in older
       versions), since git_object_size_t is a new defined type.
       This assumes size_t is atleast uint32_t / uint64_t size.
       
       Adapted from a patch by Augustin Fabre <augustin@augfab.fr>, thanks!
       
       Diffstat:
         M stagit.c                            |      15 +++++++--------
       
       1 file changed, 7 insertions(+), 8 deletions(-)
       ---
 (DIR) diff --git a/stagit.c b/stagit.c
       @@ -504,15 +504,15 @@ writefooter(FILE *fp)
        size_t
        writeblobhtml(FILE *fp, const git_blob *blob)
        {
       -        size_t n = 0, i, prev;
       +        size_t n = 0, i, len, prev;
                const char *nfmt = "<a href=\"#l%zu\" class=\"line\" id=\"l%zu\">%7zu</a> ";
                const char *s = git_blob_rawcontent(blob);
       -        git_off_t len = git_blob_rawsize(blob);
        
       +        len = git_blob_rawsize(blob);
                fputs("<pre id=\"blob\">\n", fp);
        
                if (len > 0) {
       -                for (i = 0, prev = 0; i < (size_t)len; i++) {
       +                for (i = 0, prev = 0; i < len; i++) {
                                if (s[i] != '\n')
                                        continue;
                                n++;
       @@ -886,7 +886,7 @@ writeatom(FILE *fp, int all)
        }
        
        size_t
       -writeblob(git_object *obj, const char *fpath, const char *filename, git_off_t filesize)
       +writeblob(git_object *obj, const char *fpath, const char *filename, size_t filesize)
        {
                char tmp[PATH_MAX] = "", *d;
                const char *p;
       @@ -910,7 +910,7 @@ writeblob(git_object *obj, const char *fpath, const char *filename, git_off_t fi
                writeheader(fp, filename);
                fputs("<p> ", fp);
                xmlencode(fp, filename, strlen(filename));
       -        fprintf(fp, " (%juB)", (uintmax_t)filesize);
       +        fprintf(fp, " (%zuB)", filesize);
                fputs("</p><hr/>", fp);
        
                if (git_blob_is_binary((git_blob *)obj)) {
       @@ -975,10 +975,9 @@ writefilestree(FILE *fp, git_tree *tree, const char *path)
        {
                const git_tree_entry *entry = NULL;
                git_object *obj = NULL;
       -        git_off_t filesize;
                const char *entryname;
                char filepath[PATH_MAX], entrypath[PATH_MAX], oid[8];
       -        size_t count, i, lc;
       +        size_t count, i, lc, filesize;
                int r, ret;
        
                count = git_tree_entrycount(tree);
       @@ -1023,7 +1022,7 @@ writefilestree(FILE *fp, git_tree *tree, const char *path)
                                if (lc > 0)
                                        fprintf(fp, "%zuL", lc);
                                else
       -                                fprintf(fp, "%juB", (uintmax_t)filesize);
       +                                fprintf(fp, "%zuB", filesize);
                                fputs("</td></tr>\n", fp);
                                git_object_free(obj);
                        } else if (git_tree_entry_type(entry) == GIT_OBJ_COMMIT) {