Initial commit.

.gitignore

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+ep
+compile_commands.json
+.cache/

Makefile

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+LANGUAGE = PORTUGUESE
+CFLAGS = -g -Og -pipe -Ipo/ -D$(LANGUAGE)
+
+# defaults to cproc because "why not?"
+CC = cproc
+
+PREFIX = ${HOME}/.local
+bindir = $(PREFIX)/bin
+
+all: ep
+
+install: ep
+	install -m755 $< $(bindir)/ep

ep.c

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+/* Érico's prompt
+ *
+ * I decided I wanted to write my own prompt, so I didn't have to deal with
+ * configuring existing ones.
+ *
+ * Liberties taken:
+ *   - will crash with segfault if allocations fail; NULL is special only when meaningful beyond allocation
+ *   - assumes stdio is reasonably buffered, so multiple fputs calls aren't expensive
+ */
+
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <locale.h>
+
+#include "info_strings.h"
+
+#define PROMPT " ➜ "
+
+/* function to print string */
+FILE *out;
+static inline void p(const char *s) { fputs(s, out); }
+
+/* print current dir in fish style */
+const int fish_style_dir = 1;
+
+int main(int argc, char **argv)
+{
+	setlocale(LC_ALL, "");
+	out = stdout;
+
+	const char *home = getenv("HOME");
+	const char *hostname = getenv("HOSTNAME");
+
+	/* show we are on a different machine */
+	if (hostname) {
+		p(hostname);
+		p(" ");
+	}
+
+	/* deal with printing current path */
+	char *pwd = getcwd(NULL, 0);
+	char *rpwd = NULL;
+	if (!pwd || !(rpwd = realpath(pwd, NULL))) {
+		/* getcwd or realpath failed */
+		p(unknowndir);
+	} else {
+		/* strip HOME out if possible */
+		if (home) {
+			size_t l = strlen(home);
+			if (!strncmp(home, rpwd, l)) {
+				/* found HOME in pwd */
+				p("~");
+				rpwd += l;
+				if (*rpwd) {
+					if (fish_style_dir) {
+						/* short and sweet way of malloc-ing enough memory */
+						char *frpwd = strdup(rpwd);
+
+						/* rpwd starts with a slash */
+						const char *c = rpwd, *co;
+						char *n = frpwd;
+						for (; c; co = c, c = strchr(co+1, '/')) {
+							*n++ = '/';
+							*n++ = *(c+1);
+						}
+						/* copy last path completely */
+						strcpy(--n, co+1);
+						p(frpwd);
+					} else {
+						p(rpwd);
+					}
+				}
+			} else {
+				/* HOME wasn't in rpwd */
+				p(rpwd);
+			}
+		} else {
+			/* HOME is unset */
+			p(rpwd);
+		}
+	}
+
+	p(PROMPT);
+}

po/info_strings.h

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+#if defined(PORTUGUESE)
+# include "strings_pt.h"
+#elif defined(ENGLISH)
+# include "strings_en.h"
+#else
+# error "No language selected!"
+#endif

po/strings_en.h

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+const char *unknowndir = "[unknown]";

po/strings_pt.h

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+const char *unknowndir = "[desconhecido]";